Which has a bigger cup — Bach 10½C or Monette original BP1-2?

The Monette original BP1-2 has a cup diameter of 17.00 mm / 0.6693 in compared to 15.90 mm / 0.6260 in on the Bach 10½C — a difference of 1.10 mm / 0.0433 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 10½C and Monette original BP1-2?

Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.

Bach 10½C vs Monette original BP1-2

Name: Monette original BP1-2
Brand: Monette

The Monette original BP1-2 has a wider cup diameter.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material

The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.

Mouthpiece A

Bach 10½C

• Trumpet

Rim width—

Mouthpiece B

Monette original BP1-2

• Trumpet

Rim width—

Which is better?

Neither mouthpiece clearly dominates the other — the right choice depends on your embouchure, playing style, and the sound you're after. Try both if possible.